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package com.taobao.android.builder.dependency.parser;

import com.alibaba.fastjson.JSON;
import com.android.annotations.NonNull;
import com.android.build.gradle.internal.ExtraModelInfo;
import com.android.build.gradle.internal.LoggerWrapper;
import com.android.build.gradle.internal.dependency.VariantDependencies;
import com.android.build.gradle.internal.ide.DependencyConvertUtils;
import com.android.build.gradle.internal.ide.DependencyConvertUtils.Type;
import com.android.builder.model.AndroidLibrary;
import com.android.builder.model.JavaLibrary;
import com.android.utils.ILogger;
import com.google.common.collect.Lists;
import com.google.common.collect.Maps;
import com.taobao.android.builder.AtlasPlugin;
import com.taobao.android.builder.dependency.AtlasDependencyTree;
import com.taobao.android.builder.dependency.model.AwbBundle;
import com.taobao.android.builder.dependency.model.SoLibrary;
import com.taobao.android.builder.dependency.parser.helper.DependencyGroup;
import com.taobao.android.builder.dependency.parser.helper.DependencyResolver;
import com.taobao.android.builder.manager.AtlasConfigurationHelper;
import org.apache.commons.lang.StringUtils;
import org.gradle.api.GradleException;
import org.gradle.api.Project;
import org.gradle.api.artifacts.*;
import org.gradle.api.artifacts.result.DependencyResult;
import org.gradle.api.internal.artifacts.dependencies.DefaultProjectDependency;
import org.gradle.api.internal.project.ProjectInternal;
import org.gradle.api.specs.Specs;

import java.util.*;

import static com.android.builder.core.ErrorReporter.EvaluationMode.STANDARD;

/**
 * A manager to resolve configuration dependencies.
 *
 * @author wuzhong
 */
public class AtlasDepTreeParser {

    private final Project project;

    private String flavorName;

    private final ExtraModelInfo extraModelInfo;

    private final List<ResolvedDependencyInfo> mResolvedDependencies = Lists.newArrayList();

//    private final ApDependencies apDependencies;

    private final ILogger logger = LoggerWrapper.getLogger(AtlasDepTreeParser.class);

    private Set<String>awbs = new HashSet<>();

    public AtlasDepTreeParser(@NonNull Project project, @NonNull ExtraModelInfo extraModelInfo, Set<String> awbs) {
        this.project = project;
        this.extraModelInfo = extraModelInfo;
        this.awbs =awbs;
//        this.apDependencies = apDependencies;
    }


    public AtlasDependencyTree parseDependencyTree(@NonNull VariantDependencies variantDeps) {
//
        String name = variantDeps.getName().toLowerCase();
        if (!name.endsWith("debug") && !name.endsWith("release")) {
            return new AtlasDependencyTree(new ArrayList<>());
        }
        if (!name.equals("debug") && name.endsWith("debug")){
            flavorName = variantDeps.getName().substring(0,name.length()-5);
        }
        if (!name.equals("release") && name.endsWith("release")){
            flavorName = variantDeps.getName().substring(0,name.length()-6);
        }


        Configuration compileClasspath = variantDeps.getCompileClasspath();
        Configuration runtimeClasspath = variantDeps.getRuntimeClasspath();
        Configuration apiClasspath = variantDeps.getApiElements();
        Configuration  configuration = variantDeps.getAnnotationProcessorConfiguration();
        Configuration bundleClasspath = project.getConfigurations().maybeCreate(AtlasPlugin.BUNDLE_COMPILE);

        ensureConfigured(compileClasspath,project);
        ensureConfigured(runtimeClasspath,project);
        ensureConfigured(bundleClasspath,project);
        ensureConfigured(apiClasspath,project);
        ensureConfigured(configuration,project);


        Map<ModuleVersionIdentifier, List<ResolvedArtifact>> artifacts = Maps.newHashMap();
        collectArtifacts(compileClasspath, artifacts);
        collectArtifacts(runtimeClasspath, artifacts);
        collectArtifacts(apiClasspath,artifacts);
        collectArtifacts(bundleClasspath, artifacts);
        collectArtifacts(configuration, artifacts);

        unEnsureConfigured(compileClasspath);
        unEnsureConfigured(runtimeClasspath);
        unEnsureConfigured(bundleClasspath);
        unEnsureConfigured(apiClasspath);
        unEnsureConfigured(configuration);



        //Rely on the group
        DependencyGroup dependencyGroup = new DependencyGroup(compileClasspath, bundleClasspath,artifacts,awbs);

        DependencyResolver dependencyResolver = new DependencyResolver(project, variantDeps, artifacts,
                                                                       dependencyGroup.bundleProvidedMap,dependencyGroup.bundleCompileMap);

        mResolvedDependencies.addAll(dependencyResolver.resolve(dependencyGroup.compileDependencies, true));

        for (DependencyResult dependencyResult : dependencyGroup.bundleDependencies) {
            mResolvedDependencies.addAll(dependencyResolver.resolve(Arrays.asList(dependencyResult), false));
        }

        AtlasDependencyTree atlasDependencyTree = toAtlasDependencyTree();

        check(atlasDependencyTree);

        return atlasDependencyTree;
    }

    private void unEnsureConfigured(Configuration config) {
        for (Dependency dependency : config.getAllDependencies()) {
            if (dependency instanceof ProjectDependency) {
                ProjectDependency projectDependency = (ProjectDependency)dependency;
                unPrepareProject(projectDependency,config);

            }
        }
    }

    private void unPrepareProject(ProjectDependency projectDependency, Configuration config) {
        if (projectDependency.getTargetConfiguration()!= null && projectDependency.getTargetConfiguration().equals(AtlasConfigurationHelper.COMPILE_PROJECT_CONFIGURATION_NAME)){
            projectDependency.setTargetConfiguration(null);
        }
        String name = config.getName();
        Configuration configuration = projectDependency.getDependencyProject().getConfigurations().findByName(name);
        if (configuration == null) {
            configuration = projectDependency.getDependencyProject().getConfigurations().findByName(newName(name));
            }
        if (configuration!= null && configuration.getAllDependencies()!= null) {
            unEnsureConfigured(configuration);
        }
    }

    private void ensureConfigured(Configuration config,Project project) {
        for (Dependency dependency : config.getAllDependencies()) {
            if (dependency instanceof ProjectDependency) {
                ProjectDependency projectDependency = (ProjectDependency)dependency;
                prepareProject(projectDependency,config);
                project.evaluationDependsOn(projectDependency.getDependencyProject().getPath());

            }
        }
    }

    private void prepareProject(ProjectDependency projectDependency,Configuration configuration) {
        if (projectDependency.getTargetConfiguration() == null || projectDependency.getTargetConfiguration().equals("default")){
            projectDependency.setTargetConfiguration(AtlasConfigurationHelper.COMPILE_PROJECT_CONFIGURATION_NAME);
        }
         ((ProjectInternal)((DefaultProjectDependency) projectDependency).getDependencyProject()).evaluate();

        String name = configuration.getName();
        Configuration config = projectDependency.getDependencyProject().getConfigurations().findByName(name);
        if (config == null) {
            config = projectDependency.getDependencyProject().getConfigurations().findByName(newName(name));
       }
        if (config!= null && config.getAllDependencies()!= null) {
            ensureConfigured(config,projectDependency.getDependencyProject());
        }

    }

    private void collectArtifacts(Configuration configuration,
                                  Map<ModuleVersionIdentifier, List<ResolvedArtifact>> artifacts) {


        Set<ResolvedArtifact> allArtifacts;
        if (configuration.getState().equals(Configuration.State.UNRESOLVED) && !configuration.getName().equals(AtlasPlugin.BUNDLE_COMPILE)) {
            configuration.setCanBeResolved(true);
        }
        if (!extraModelInfo.getMode().equals(STANDARD)) {
            allArtifacts = configuration.getResolvedConfiguration().getLenientConfiguration().getArtifacts(
                Specs.satisfyAll());
        } else {
            allArtifacts = configuration.getResolvedConfiguration().getResolvedArtifacts();
        }
        for (ResolvedArtifact artifact : allArtifacts) {
            ModuleVersionIdentifier id = artifact.getModuleVersion().getId();
            List<ResolvedArtifact> moduleArtifacts = artifacts.get(id);

            if (moduleArtifacts == null) {
                moduleArtifacts = Lists.newArrayList();
                artifacts.put(id, moduleArtifacts);
            }

            if (!moduleArtifacts.contains(artifact)) {
                moduleArtifacts.add(artifact);
            }
        }
    }

    private String newName(String name) {
        if (!StringUtils.isEmpty(flavorName)) {
            name = name.replace(flavorName, "");
        }
        if (name.startsWith("Debug")) {
            name = name.replace("Debug", "debug");

        }
        if (name.startsWith("Release")) {
            name = name.replace("Release", "release");

        }
        return name;
    }

    private AtlasDependencyTree toAtlasDependencyTree() {

        AtlasDependencyTree atlasDependencyTree = new AtlasDependencyTree(mResolvedDependencies);

        //Setting dependency
        for (ResolvedDependencyInfo dependencyInfo : mResolvedDependencies) {

            if (Type.AWB == DependencyConvertUtils.Type.getType(dependencyInfo.getType())) {

                AwbBundle bundle = DependencyConvertUtils.toBundle(dependencyInfo, project);
//                if (apDependencies != null) {
//                    Map<ModuleIdentifier, String> awbDependencies = apDependencies.getAwbDependencies(
//                        dependencyInfo.getGroup(), dependencyInfo.getName());
//                    bundle.setBaseAwbDependencies(awbDependencies);
//                }
                atlasDependencyTree.getAwbBundles().add(bundle);

                collect(dependencyInfo, bundle);
            } else {

                collect(dependencyInfo, atlasDependencyTree.getMainBundle());
            }
        }

        return atlasDependencyTree;
    }

    private void collect(ResolvedDependencyInfo dependencyInfo, AwbBundle awbBundle) {

//        if (apDependencies != null && !awbBundle.isMainBundle()) {
//            if (apDependencies.isMainLibrary(dependencyInfo)) {
//                return;
//            }
//        }
        switch (DependencyConvertUtils.Type.getType(dependencyInfo.getType())) {
            case AAR:
                //Add it to the main dex
                awbBundle.getAndroidLibraries().add(
                    DependencyConvertUtils.toAndroidLibrary(dependencyInfo, project, false));
                break;
            case JAR:
                awbBundle.getJavaLibraries().add(DependencyConvertUtils.toJavaLib(dependencyInfo));
                break;
            case SOLIB:
                awbBundle.getSoLibraries().add(new SoLibrary(dependencyInfo));
                return;
            case AWB:
                break;
            default:
                return;
        }

        if (null != dependencyInfo.getChildren() && !dependencyInfo.getChildren().isEmpty()) {
            for (ResolvedDependencyInfo resolvedDependencyInfo : dependencyInfo.getChildren()) {
                collect(resolvedDependencyInfo, awbBundle);
            }
        }
    }

    private void check(AtlasDependencyTree atlasDependencyTree) {

        Map<String, List<String>> dependeys = new HashMap<>();
        for (AwbBundle awbBundle : atlasDependencyTree.getAwbBundles()) {
            String gav = awbBundle.getAndroidLibrary().getResolvedCoordinates().toString();

            for (AndroidLibrary androidLibrary : awbBundle.getAndroidLibraries()) {
                addValuetoList(dependeys, gav, androidLibrary.getResolvedCoordinates().toString());
            }

            for (JavaLibrary javaLibrary : awbBundle.getJavaLibraries()) {
                addValuetoList(dependeys, gav, javaLibrary.getResolvedCoordinates().toString());
            }

            for (SoLibrary soLibrary : awbBundle.getSoLibraries()) {
                addValuetoList(dependeys, gav, soLibrary.getResolvedCoordinates().toString());
            }
        }

        List<String> warnings = new ArrayList<>();
        for (String key : dependeys.keySet()) {
            List<String> values = dependeys.get(key);
            if (values.size() > 1) {
                String msg = key + ":" + StringUtils.join(values, ",");
                warnings.add(msg);
                logger.warning(msg);
            }
        }

        if (warnings.size() > 0) {
            logger.warning(JSON.toJSONString(atlasDependencyTree.getDependencyJson(), true));
            throw new GradleException("decencyconflict : " + StringUtils.join(warnings, "\r\n"));
        }
    }

    private void addValuetoList(Map<String, List<String>> dependeys, String gav, String key) {
        List<String> value = dependeys.get(key);
        if (null == value) {
            value = new ArrayList<>();
            dependeys.put(key, value);
        }
        value.add(gav);
    }
}
